Earth Science Unit Test

Hardness, color, and shape are examples of a mineral’s ____.

Rock that has been changed by heat and pressure

______________________ Saving resources by using them carefully.

When you breathe, what are you using?

_______________________ Reuse a resource to make something new.

What type of resource is wood?

______________________ Soil that has small grains and holds water easily.

Solid natural object that has never been alive

Which type of soil would be best for growing plants?

How might people get resources that are under Earth’s surface?

______________________ Rich soil with a lot of humus.

What is the orange layer called?

What is plastic made of?

What type of resource is soil?

A process of changing rock types

Rock made of materials that settled into layers and hardened

What is the first (outer) layer?

A rock that was once melted but has cooled and hardened

What is the middle layer called?

What is the 2nd layer of soil called?

What type of resource is wind?

Solid material made of one or more minerals

_______________________Material found in nature that living things use.

What is the bottom layer of soil called?

Some farmers plant rows of alfalfa or other grasses between rows of corn. Doing this is known as ___.

_______________________Material made up of decayed parts of once-living things.

What is the first (top) layer of soil called?